Calculating machine



May 17, 1932. H. E. ENDERS CALCULATING MACHINE Filed Aug. 15, 1929 2 Sheets-Sheet 1 wwwmmw $0 000000 000000 000000 s 000000 Qua 000000 0 4 mmm000 QT INVEINTOR.I

BY Wa /M ATTORNEY. I

y 1932- H. E. ENDERS 1,858,295

CALCULATING MACHINE Filed Aug. 15, 1929 2 Sheets-Sheet 2 27 2 :2 6 INVENTOR.

}, ATTORNEY.

Patented May 17, 1932 UNITED STATES PATENT OFFICE HUGO E. ENDERS, OF BELLEVILLE, NEW JERSEY, ASSIGNO R TO MONROE CALCULATING MACHINE COMPANY, ORANGE, NEW JERSEY, A GORPORA'IION' OF DELAWARE GALGU LATIN G Application filed August 15, 1929. Serial No. 386,042.

This invention relates to calculating ma-- chines and particularly to calculating machines having a transversely movable carriage for moving the accumulators from one denominational position to another.

The principal object of the invention is to provide means for moving the carriage in a straight line or substantially in a straight line cross-wise of the machine while keeping the same constantly under control.

Another object of the invention is to provide carriage moving means which is simple of construction, comparatively inexpensive to manufacture, applicable to machines as now manufactured without a re-design of the known mechanism, and highly etficient for the purpose for which it is designed.

Other objects will be apparent from the following description and appended claims,

all of these objects are attained by'mechanism illustrated in the accompanying drawings, in which:

.Fig. 1 is a. top plan View of a machine cmbodying my invention.

Fig. 2 is a detail front elevation of the carriage, the carriage-moving shaft being shown in section, and the position of the parts being normal.

Fig. 3 is a view similar to Fig. 2 but showing the parts during transit of the carriage from one position to another.

Fig. 4 is a detail end elevation. of the carriage with parts in normal position.

Fig. 5 is a view similar to Fig. 4 but showing the position of the parts during transit of the carriage and with the swinging bail broken away to show the contour of the teeth.

, Like characters of reference refer to like parts in all views.

In illustrating my invention 1 have chosen to show the same as applied to a calculator of the well known Monroe type, but this is to be understood as merely illustrative, as the invention is applicable to various types of calculating machines. In the Monroe machine as placed on the market, the carriage is lifted, then moved to its new position and lowered. One form of this type of carriage is shown in the Reissue Patent No. 13,841 granted to F. S. Baldwin, December 8, 1914.

The pre ent invention shows a means of moving the carriage from one position to another Without lifting the same, although it is to be understood that it is also contemplated as part of the invention that where certain forms of accumulators and actuators are used, the carriage may be moved slightly up and down so as to permit disengagement and engagement of the coacting gears.

Referring to the drawings in detail, represents the casing and frame of a calculating machine. The ke board frame is shown at 11 and guides a p urality of manipulative members as follows digit-setting keys 12, zero keys 13, keyboard clear key 14, repeat key 15, and nonrepeat key 16. An operating crank is shown at 17, and the carriage at 18. The carriage carries a plurality of accumulators l9 and a set of counters20.

While I have chosen to show my invention as applied to a six-bank hand-operated Monroe calculating machine, it is to be understood that the invention is applicable to the larger types of machine and also to electrically driven and full automatic machines of this type. While accumulators and counters have been indicated at 19 and 20, accumulators and counting mechanism form no part of this invention and may be of any style suitable.

The means for engaging the accumulators and counters with their actuating means is also not an essential part of this invention and may be of any well known type. For instance, the accumulator gears may be larger than the dials so as to permit a straight horiz'ontal movement of the carriage from one actuator engaging position to another; or intermediate gears may be used and the actuators engaged with such intermediate gears or the intermediate gears swung into and out of efiective position; or the accumulators may be placed on the upper surface of the carriage and gearing connected through the carriage to the actuators; or a sli ht vertical movement of the carriage may e allowed during transverse movement of the carriage so as to permit the actuating gears to escape the dials. No doubt there are other known means for accomplishing the desired end.

However, as all of these means are well known in the art, I do not consider this as an essential feature of the invention, the particular style of accumulators and actuator engaging meansbeing merely a matter of choice with the designer.

A swinging bail is indicated at 21 and is pivoted at opposite ends of the carriage 18 as at 22, and extends completely across the front of the carriage. This bail is formed with teeth. 23 the lower portions of which are curved as shown at Fig. 5 so as interference with the keyboard .x it i carriage-moving CIOSS'SJDE or crank when the bail is moved to its upper position s shown in Fig, 3 The teeth form for cooperation with elements hereinaiw. described.

In rear of the pivots 22, bent up portions of the bail 21. are extended at 24.- so that if necessary, springs 2420 may be secured to the elements as and anchored to the carriage frame 18 in order to insure the bail follow ing the movement of the carriage-shift arm" This is not essential in a handoperated roa chine, where gravity has been found slit ficient, but in motor driven machines wherethe movement may be Very rapid, the assistance of springs may be found desirable.

Mounted on the underside of the keyboard 11 is a carriage shifting shaft 25 which may be rotated by means of a handle 26. Secured to the rear end of the shaft is a cross-arm or crank 27 carrying rollers which are adapted to engage between teeth 23 of th swinging bail 2L Normally both of the rollers 28 engage adjacent notches betweenteeth 23 as shown in Fig. 2. Rotation of the 25 by means of the handle 26, will canes-one or the other of the rollers 2% to lifi the bail 21 and concomitantly shift the carriage in a corresponding direction. The position of the parts during transit of the carriage is shown in Figs. 3 and 5.. Upon the shaft .25 completing a half revolution both rollers will again be in engagement between teeth 23 and the carriage will have been moved one denominafional space, It will be noted that the car-= riage is thus constantly under control of the shaft 25 and crank 27 altho it is being movedlatera-lly without being lifted. In other words, in the action of the shifting crank, one pin or roller 28 acts to raise the rack, shift the carriage, and let the raclr down,,the other pin being brought into engagement with the rack to hold the parts in position to prevent casual movement of the carriage. Springs ea set as to efl'ect the desired slight Vertical movement.

VJhile I have described what I consider to be the most desirable embodiment of my invention for the purpose set forth, it is obvious that changes in form could be made without departing from the spirit of my invention, and l, therefore, do not limit m self to the exact details herein shown an described, or to anything less than the whole of my invention as hereinafter particularly pointed out in the claims.

1 claim:

1, a. calculating machine, the combination of a rotatable shaft, crank elements car'- ried thereby, a register carriage, and a swinging bail mounted on said carriage and formed with a serrated edge adapted to rest upon and mesh with said crank elements at two spaced points, and. means for rotating said shaft, to swing the bail relatively to the carriage and effect shifting of the carriage.

2, In a calculating machine, the combination with registers, of a transversely movable carriage supporting said registers, a rack pivotally supported on said carriage, an element engageable with said rack and normally held thereby in position for locking said carriage against lateral dis lacement, and means cooperative with sai' rack for first pivoting said rack relatively to said carriage to effect disengagement of said rack and element, then efiecting transverse movement of carriage, and then effecting re-engagement of reels and element.

te. Uimony whereof afix my signature.

HUGS

Ill 

